Directions

1
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4
Heat broiler to high. Set one rack 6 inches from heat source. Place second rack as far from heat source as possible.

2
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4
Place peppers on a rimmed baking sheet. Toss with 1 tbsp of the olive oil and 1/8 tsp each of the salt and pepper. Place on lower rack of oven and cook 15 minutes, turning once halfway through, until peppers are tender and slightly browned.

3
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4
Meanwhile, clean mushrooms and remove gills. Brush with remaining 1 tbsp oil and place on a separate baking sheet, cap side up. Place on top rack and broil 4 minutes. Turn and season with remaining 1/8 tsp each salt and pepper. Broil an additional 3 minutes. Fill with tomatoes and top each mushroom with 3 tbsp cheese. Broil 3 to 4 minutes.

4
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4
Sandwich mushrooms between bread slices and serve peppers on the side.